CN1116241A - Producing technology of low hydrogen high nitrogen steel - Google Patents
Producing technology of low hydrogen high nitrogen steel Download PDFInfo
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- CN1116241A CN1116241A CN 94112249 CN94112249A CN1116241A CN 1116241 A CN1116241 A CN 1116241A CN 94112249 CN94112249 CN 94112249 CN 94112249 A CN94112249 A CN 94112249A CN 1116241 A CN1116241 A CN 1116241A
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- nitrogen
- steel
- low hydrogen
- molten steel
- alloy
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Element in the steel | Casing steel | The spherical tank steel | ||
Target value | Actual value | Target value | Actual value | |
????C | ?0.30~0.34 | ?0.334% | ??0.095~0.134% | ?0.111% |
????H | ???≤2PPm | ?1.5PPm | ?????≤2.5PPm | ?1.7PPm |
????O | ???≤30PPm | ?14PPm | ?????≤40PPm | ?38PPm |
????N | ?140~180PPm | ?145PPm | ??100~150PPm | ?133PPm |
????S | ???≤100PPm | ?76PPm | ?????≤50PPm | ?36PPm |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN94112249A CN1038347C (en) | 1994-08-03 | 1994-08-03 | Producing technology of low hydrogen high nitrogen steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN94112249A CN1038347C (en) | 1994-08-03 | 1994-08-03 | Producing technology of low hydrogen high nitrogen steel |
Publications (2)
Publication Number | Publication Date |
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CN1116241A true CN1116241A (en) | 1996-02-07 |
CN1038347C CN1038347C (en) | 1998-05-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN94112249A Expired - Fee Related CN1038347C (en) | 1994-08-03 | 1994-08-03 | Producing technology of low hydrogen high nitrogen steel |
Country Status (1)
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CN (1) | CN1038347C (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1318612C (en) * | 2000-12-13 | 2007-05-30 | 杰富意钢铁株式会社 | Process for producing high-nitrogen ultra low-carbon steel |
CN100513019C (en) * | 2007-09-06 | 2009-07-15 | 安泰科技股份有限公司 | Method for producing stainless steel powder containing nitrogen high nitrogen by adopting gas atomization method |
CN101168817B (en) * | 2006-10-25 | 2010-10-13 | 宝山钢铁股份有限公司 | Method for increasing nitrogen content of nitrogen-containing clean steel |
CN102296160A (en) * | 2011-08-16 | 2011-12-28 | 秦皇岛首秦金属材料有限公司 | Low-cost RH molten steel nitrogen increasing and controlling process |
CN102399945A (en) * | 2010-09-08 | 2012-04-04 | 鞍钢股份有限公司 | Method for producing non-quenched and tempered N80 petroleum pipe by RH refining process |
CN102634643A (en) * | 2012-04-10 | 2012-08-15 | 河北省首钢迁安钢铁有限责任公司 | Method for controlling nitrogen content of high-permeability-grade oriented electrical steel belt |
CN102851455A (en) * | 2011-06-29 | 2013-01-02 | 鞍钢股份有限公司 | Method for producing high-nitrogen IF steel |
CN102925618A (en) * | 2012-10-23 | 2013-02-13 | 鞍钢股份有限公司 | Nitrogen increasing method for vanadium and nitrogen-containing microalloyed steel |
CN103710486A (en) * | 2013-12-20 | 2014-04-09 | 鞍钢股份有限公司 | Method for increasing nitrogen content of steel |
CN104087705A (en) * | 2014-07-23 | 2014-10-08 | 攀钢集团攀枝花钢钒有限公司 | Method for controlling nitrogen content of high-nitrogen steel |
CN105154628A (en) * | 2015-10-21 | 2015-12-16 | 广东韶钢松山股份有限公司 | RH dehydrogenation and nitrogen addition process for nitrogen-containing steel |
CN105950971A (en) * | 2016-05-12 | 2016-09-21 | 武汉钢铁股份有限公司 | Engineering machinery steel with yield strength being larger than or equal to 960 MPa grade and production method |
CN106755730A (en) * | 2016-12-22 | 2017-05-31 | 北京首钢股份有限公司 | A kind of method of nitrogen content in control high nitrogen steel |
CN110607413A (en) * | 2019-11-01 | 2019-12-24 | 武汉钢铁集团鄂城钢铁有限责任公司 | Smelting method of low-cost high-nitrogen steel |
CN112322843A (en) * | 2020-11-20 | 2021-02-05 | 青岛特殊钢铁有限公司 | RH nitrogen increasing method suitable for steel grade with higher nitrogen content |
CN113774188A (en) * | 2021-07-23 | 2021-12-10 | 广西富川正辉机械有限公司 | Premelted refining slag, preparation method and application of premelted refining slag in refining of high-purity manganese 25 ultrahigh-manganese steel material |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081270A (en) * | 1977-04-11 | 1978-03-28 | Union Carbide Corporation | Renitrogenation of basic-oxygen steels during decarburization |
-
1994
- 1994-08-03 CN CN94112249A patent/CN1038347C/en not_active Expired - Fee Related
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1318612C (en) * | 2000-12-13 | 2007-05-30 | 杰富意钢铁株式会社 | Process for producing high-nitrogen ultra low-carbon steel |
CN101168817B (en) * | 2006-10-25 | 2010-10-13 | 宝山钢铁股份有限公司 | Method for increasing nitrogen content of nitrogen-containing clean steel |
CN100513019C (en) * | 2007-09-06 | 2009-07-15 | 安泰科技股份有限公司 | Method for producing stainless steel powder containing nitrogen high nitrogen by adopting gas atomization method |
CN102399945B (en) * | 2010-09-08 | 2013-07-31 | 鞍钢股份有限公司 | Method for producing non-quenched and tempered N80 petroleum pipe by RH refining process |
CN102399945A (en) * | 2010-09-08 | 2012-04-04 | 鞍钢股份有限公司 | Method for producing non-quenched and tempered N80 petroleum pipe by RH refining process |
CN102851455A (en) * | 2011-06-29 | 2013-01-02 | 鞍钢股份有限公司 | Method for producing high-nitrogen IF steel |
CN102296160A (en) * | 2011-08-16 | 2011-12-28 | 秦皇岛首秦金属材料有限公司 | Low-cost RH molten steel nitrogen increasing and controlling process |
CN102634643A (en) * | 2012-04-10 | 2012-08-15 | 河北省首钢迁安钢铁有限责任公司 | Method for controlling nitrogen content of high-permeability-grade oriented electrical steel belt |
CN102634643B (en) * | 2012-04-10 | 2013-08-14 | 河北省首钢迁安钢铁有限责任公司 | Method for controlling nitrogen content of high-permeability-grade oriented electrical steel belt |
CN102925618A (en) * | 2012-10-23 | 2013-02-13 | 鞍钢股份有限公司 | Nitrogen increasing method for vanadium and nitrogen-containing microalloyed steel |
CN103710486A (en) * | 2013-12-20 | 2014-04-09 | 鞍钢股份有限公司 | Method for increasing nitrogen content of steel |
CN104087705A (en) * | 2014-07-23 | 2014-10-08 | 攀钢集团攀枝花钢钒有限公司 | Method for controlling nitrogen content of high-nitrogen steel |
CN105154628A (en) * | 2015-10-21 | 2015-12-16 | 广东韶钢松山股份有限公司 | RH dehydrogenation and nitrogen addition process for nitrogen-containing steel |
CN105950971A (en) * | 2016-05-12 | 2016-09-21 | 武汉钢铁股份有限公司 | Engineering machinery steel with yield strength being larger than or equal to 960 MPa grade and production method |
CN106755730A (en) * | 2016-12-22 | 2017-05-31 | 北京首钢股份有限公司 | A kind of method of nitrogen content in control high nitrogen steel |
CN110607413A (en) * | 2019-11-01 | 2019-12-24 | 武汉钢铁集团鄂城钢铁有限责任公司 | Smelting method of low-cost high-nitrogen steel |
CN112322843A (en) * | 2020-11-20 | 2021-02-05 | 青岛特殊钢铁有限公司 | RH nitrogen increasing method suitable for steel grade with higher nitrogen content |
CN113774188A (en) * | 2021-07-23 | 2021-12-10 | 广西富川正辉机械有限公司 | Premelted refining slag, preparation method and application of premelted refining slag in refining of high-purity manganese 25 ultrahigh-manganese steel material |
Also Published As
Publication number | Publication date |
---|---|
CN1038347C (en) | 1998-05-13 |
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GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI BAO STEEL GROUP IRON AND STEEL CO LTD Free format text: FORMER NAME OR ADDRESS: BAOSHAN STEEL GROUP IRON AND STEEL CO LTD Owner name: BAOSHAN IRON & STEEL CO., LTD. Free format text: FORMER NAME OR ADDRESS: SHANGHAI BAO STEEL GROUP IRON AND STEEL CO LTD |
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Address after: 200122 No. 370 Pu circuit, Shanghai, Pudong New Area Patentee after: BAOSHAN IRON & STEEL CO.,LTD. Address before: 201900 No. 1, Middle Road, Baoshan District, Shanghai Patentee before: Baosteel Group Corporation |
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Address after: Orchard, Fujin Road, Baoshan District, Shanghai Patentee after: BAOSHAN IRON & STEEL Co.,Ltd. Address before: No. 370 Pu circuit, Shanghai, Pudong New Area Patentee before: BAOSHAN IRON & STEEL CO.,LTD. |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 19980513 |